Uv-induced index changes in undoped fluoride glass

被引:14
作者
Zeller, M
Lasser, T
Limberger, HG [1 ]
Mazé, G
机构
[1] Swiss Fed Inst Technol, CH-1015 Lausanne, Switzerland
[2] Le Verre Fluore, F-35170 Brittany, France
关键词
absorption; fluoride glass; photosensitivity;
D O I
10.1109/JLT.2004.841781
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Undoped fluoride glass slides have been exposed to pulsed 193-nm ultraviolet (UV) irradiation. Their absorption changes have been measured to evaluate UV-induced index changes using Kramers-Kronig relation. A layer-peeling polishing technique was applied to characterize the local UV-induced index change of highly absorbing glass. Index changes up to 1.75 x 10(-4) have been evaluated with this method in fluorozirco-aluminate glass. Fluoroaluminate and fluorozirconate glass showed only small index changes of about 2.0 x 10(-6) and 2.6 x 10(-6) at a wavelength of 1550 nm.
引用
收藏
页码:624 / 627
页数:4
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